Home / 77,373,922.18-115,965,223.80-39,046,397.26

Finding the Fourth Proportional to 77,373,922.18, 115,965,223.80 and 39,046,397.26

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Solution

The fourth proportional to 77,373,922.18, 115,965,223.80 and 39,046,397.26 is: 58,521,321.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,373,922.18 : 115,965,223.80 = 39,046,397.26 : x
  2. Step 2: Convert to fraction form
    77,373,922.18/115,965,223.80 = 39,046,397.26/x
  3. Step 3: Cross multiply
    77,373,922.18x = 115,965,223.80 × 39,046,397.26
  4. Step 4: Simplify right side
    77,373,922.18x = 4,528,024,196,839,606
  5. Step 5: Solve for x
    x = 4,528,024,196,839,606/77,373,922.18
  6. Step 6: Final answer
    x = 58,521,321.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.